const express = require("express") 
const app = express()
app.get("/student",(req,res)=>{
    console.log(req.url);
    console.log(req.get("Host"));
    res.send("我是学生")
})
// app.listen(80,"http://localhost",()=>{
//     console.log("80端口服务启动成功");
// })
app.listen(80,()=>{
    console.log("80端口服务启动成功");
})